<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

export default {
  mixins: [resize],
  props: {
    data: {
      type: Object,
      default: {}
    },
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    }
  },
  data() {
    return {
      chart: null,
      list: [],
      strarr: [],
    }
  },
  mounted() {
   
    this.$nextTick(() => {
      this.initChart()
    })

  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')

      this.chart.setOption({
        tooltip: {
          trigger: 'item',
          formatter: '{a} <br/>{b} : {c} ({d}%)'
        },
        legend: {
          left: 'center',
          bottom: '10',
          data: this.data.strarr
        },
         grid: {
          top: 50,
          left: '0%',
          right: '0%',
          bottom: '0%',
          containLabel: true
        },
        series: [
          {
            name: '订单',
            type: 'pie',
            roseType: 'radius',
            radius: [15, 95],
            center: ['50%', '42%'],
            data: this.data.data,
            animationEasing: 'cubicInOut',
            animationDuration: 2600
          }
        ]
      })
    }
  },
  watch: {
    data: {
      deep: true,
      handler(val) {
        // console.log('折线图监听', val)
        if (val) {
          setTimeout(this.initChart(), 100);
        }
      }
    },
  }
}
</script>
